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   &#160;<span id="projectnumber">0.3</span>
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   <div id="projectbrief">A system-level modeling framework for designing real-time embedded systems</div>
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<div class="title">MultiMaps.cs</div>  </div>
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<a href="_multi_maps_8cs.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;</div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="keyword">using</span> System;</div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="keyword">using</span> System.Collections.Generic;</div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="keyword">using</span> System.Linq;</div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="keyword">using</span> System.Runtime.CompilerServices;</div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="keyword">using</span> System.Text;</div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;</div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="keyword">namespace </span>SystemSharp.Collections</div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;{</div>
<div class="line"><a name="l00031"></a><span class="lineno"><a class="line" href="class_system_sharp_1_1_collections_1_1_multi_maps.html">   31</a></span>&#160;    <span class="keyword">public</span> <span class="keyword">static</span> <span class="keyword">class </span><a class="code" href="class_system_sharp_1_1_collections_1_1_multi_maps.html">MultiMaps</a></div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;    {</div>
<div class="line"><a name="l00041"></a><span class="lineno"><a class="line" href="class_system_sharp_1_1_collections_1_1_multi_maps.html#a0c84eb941f8a9547c64e661495b6f91f">   41</a></span>&#160;        <span class="keyword">public</span> <span class="keyword">static</span> List&lt;TValue&gt; Get&lt;TKey, TValue&gt;(<span class="keyword">this</span> IDictionary&lt;TKey, List&lt;TValue&gt;&gt; map, TKey key)</div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;        {</div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;            List&lt;TValue&gt; list;</div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;            <span class="keywordflow">if</span> (!map.TryGetValue(key, out list))</div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;            {</div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;                list = <span class="keyword">new</span> List&lt;TValue&gt;();</div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;                map[key] = list;</div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;            }</div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;            <span class="keywordflow">return</span> list;</div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;        }</div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;</div>
<div class="line"><a name="l00060"></a><span class="lineno"><a class="line" href="class_system_sharp_1_1_collections_1_1_multi_maps.html#a1af5b58b2c75543e3d1f6aaa37979022">   60</a></span>&#160;        <span class="keyword">public</span> <span class="keyword">static</span> <span class="keywordtype">void</span> Add&lt;TKey, TValue&gt;(<span class="keyword">this</span> IDictionary&lt;TKey, List&lt;TValue&gt;&gt; map, TKey key, TValue value)</div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;        {</div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;            List&lt;TValue&gt; list = Get(map, key);</div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;            list.Add(value);</div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;        }</div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;</div>
<div class="line"><a name="l00074"></a><span class="lineno"><a class="line" href="class_system_sharp_1_1_collections_1_1_multi_maps.html#ad6cfc6db7696f449064096a5ce5cd860">   74</a></span>&#160;        <span class="keyword">public</span> <span class="keyword">static</span> <span class="keywordtype">void</span> AddIfNew&lt;TKey, TValue&gt;(<span class="keyword">this</span> IDictionary&lt;TKey, List&lt;TValue&gt;&gt; map, TKey key, TValue value)</div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;        {</div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;            List&lt;TValue&gt; list = Get(map, key);</div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;            <span class="keywordflow">if</span> (!list.Contains(value))</div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;                list.Add(value);</div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;        }</div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;</div>
<div class="line"><a name="l00089"></a><span class="lineno"><a class="line" href="class_system_sharp_1_1_collections_1_1_multi_maps.html#a83b61f341a0c55ebb5a226aeb88b2d8e">   89</a></span>&#160;        <span class="keyword">public</span> <span class="keyword">static</span> ISet&lt;TValue&gt; Get&lt;TKey, TValue&gt;(<span class="keyword">this</span> IDictionary&lt;TKey, ISet&lt;TValue&gt;&gt; map, TKey key)</div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;        {</div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;            ISet&lt;TValue&gt; set;</div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;            <span class="keywordflow">if</span> (!map.TryGetValue(key, out set))</div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;            {</div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;                set = <span class="keyword">new</span> HashSet&lt;TValue&gt;();</div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;                map[key] = set;</div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;            }</div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;            <span class="keywordflow">return</span> set;</div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;        }</div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;</div>
<div class="line"><a name="l00109"></a><span class="lineno"><a class="line" href="class_system_sharp_1_1_collections_1_1_multi_maps.html#a04f22e81d3c5ac7bb87fcbf1ab570937">  109</a></span>&#160;        <span class="keyword">public</span> <span class="keyword">static</span> <span class="keywordtype">bool</span> Add&lt;TKey, TValue&gt;(<span class="keyword">this</span> IDictionary&lt;TKey, ISet&lt;TValue&gt;&gt; map, TKey key, TValue value)</div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;        {</div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;            ISet&lt;TValue&gt; set = Get(map, key);</div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;            <span class="keywordflow">return</span> set.Add(value);</div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;        }</div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;</div>
<div class="line"><a name="l00123"></a><span class="lineno"><a class="line" href="class_system_sharp_1_1_collections_1_1_multi_maps.html#a2bbf7b93097523d584fa29c983c1b654">  123</a></span>&#160;        <span class="keyword">public</span> <span class="keyword">static</span> HashSet&lt;TValue&gt; Get&lt;TKey, TValue&gt;(<span class="keyword">this</span> IDictionary&lt;TKey, HashSet&lt;TValue&gt;&gt; map, TKey key)</div>
<div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;        {</div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;            HashSet&lt;TValue&gt; set;</div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;            <span class="keywordflow">if</span> (!map.TryGetValue(key, out set))</div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;            {</div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;                set = <span class="keyword">new</span> HashSet&lt;TValue&gt;();</div>
<div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;                map[key] = set;</div>
<div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;            }</div>
<div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;            <span class="keywordflow">return</span> set;</div>
<div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;        }</div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;</div>
<div class="line"><a name="l00143"></a><span class="lineno"><a class="line" href="class_system_sharp_1_1_collections_1_1_multi_maps.html#a0ceb621071264a508a038269257f4e76">  143</a></span>&#160;        <span class="keyword">public</span> <span class="keyword">static</span> <span class="keywordtype">bool</span> Add&lt;TKey, TValue&gt;(<span class="keyword">this</span> IDictionary&lt;TKey, HashSet&lt;TValue&gt;&gt; map, TKey key, TValue value)</div>
<div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;        {</div>
<div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;            HashSet&lt;TValue&gt; set = Get(map, key);</div>
<div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;            <span class="keywordflow">return</span> set.Add(value);</div>
<div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;        }</div>
<div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;</div>
<div class="line"><a name="l00157"></a><span class="lineno"><a class="line" href="class_system_sharp_1_1_collections_1_1_multi_maps.html#a5d5337524f2bc2b60757ad0fdaec1bf5">  157</a></span>&#160;        <span class="keyword">public</span> <span class="keyword">static</span> SortedSet&lt;TValue&gt; Get&lt;TKey, TValue&gt;(<span class="keyword">this</span> IDictionary&lt;TKey, SortedSet&lt;TValue&gt;&gt; map, TKey key)</div>
<div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;        {</div>
<div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;            SortedSet&lt;TValue&gt; set;</div>
<div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;            <span class="keywordflow">if</span> (!map.TryGetValue(key, out set))</div>
<div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;            {</div>
<div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;                set = <span class="keyword">new</span> SortedSet&lt;TValue&gt;();</div>
<div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;                map[key] = set;</div>
<div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;            }</div>
<div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;            <span class="keywordflow">return</span> set;</div>
<div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;        }</div>
<div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;</div>
<div class="line"><a name="l00177"></a><span class="lineno"><a class="line" href="class_system_sharp_1_1_collections_1_1_multi_maps.html#a7a2a1e572be8541fe70867c98194fbec">  177</a></span>&#160;        <span class="keyword">public</span> <span class="keyword">static</span> <span class="keywordtype">bool</span> Add&lt;TKey, TValue&gt;(<span class="keyword">this</span> IDictionary&lt;TKey, SortedSet&lt;TValue&gt;&gt; map, TKey key, TValue value)</div>
<div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;        {</div>
<div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;            SortedSet&lt;TValue&gt; set = Get(map, key);</div>
<div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;            <span class="keywordflow">return</span> set.Add(value);</div>
<div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;        }</div>
<div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;</div>
<div class="line"><a name="l00190"></a><span class="lineno"><a class="line" href="class_system_sharp_1_1_collections_1_1_multi_maps.html#af39e688df96a3de9d8fcf3e48e72da30">  190</a></span>&#160;        <span class="keyword">public</span> <span class="keyword">static</span> ISet&lt;TValue&gt; Get&lt;TValue&gt;(<span class="keyword">this</span> ISet&lt;TValue&gt;[] map, <span class="keywordtype">int</span> key)</div>
<div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;        {</div>
<div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;            ISet&lt;TValue&gt; set = map[key];</div>
<div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;            <span class="keywordflow">if</span> (set == null)</div>
<div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;            {</div>
<div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;                set = <span class="keyword">new</span> HashSet&lt;TValue&gt;();</div>
<div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;                map[key] = set;</div>
<div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;            }</div>
<div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;            <span class="keywordflow">return</span> set;</div>
<div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;        }</div>
<div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;</div>
<div class="line"><a name="l00209"></a><span class="lineno"><a class="line" href="class_system_sharp_1_1_collections_1_1_multi_maps.html#ab4a766da6b3d8146c886d4ddbee2fbc0">  209</a></span>&#160;        <span class="keyword">public</span> <span class="keyword">static</span> <span class="keywordtype">bool</span> Add&lt;TValue&gt;(<span class="keyword">this</span> ISet&lt;TValue&gt;[] map, <span class="keywordtype">int</span> key, TValue value)</div>
<div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;        {</div>
<div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;            ISet&lt;TValue&gt; set = Get(map, key);</div>
<div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;            <span class="keywordflow">return</span> set.Add(value);</div>
<div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;        }</div>
<div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;    }</div>
<div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;}</div>
<div class="ttc" id="class_system_sharp_1_1_collections_1_1_multi_maps_html"><div class="ttname"><a href="class_system_sharp_1_1_collections_1_1_multi_maps.html">SystemSharp.Collections.MultiMaps</a></div><div class="ttdoc">This static class provides extension methods which turn dictionaries into multi-maps, i.e. mapping keys to multiple values. </div><div class="ttdef"><b>Definition:</b> <a href="_multi_maps_8cs_source.html#l00031">MultiMaps.cs:31</a></div></div>
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